I made a lager using bread as a ingredient. I read about this in online and I believe there is a brewery in England who uses old bread as a regular ingredient. The bread is toasted and used in the mash. See my Youtube video below.
I bought a RSG 32ATC refractometer.
The directions tell you to calibrate it before use so I did using tap water instead of distilled. I checked the temp of the water and it was per the specs. I didn't have to adjust the setting because the factory setting was dead on.
I was kegging two...